Home / 253,546,702.89-350,222,667.99-209,670,933.93

Finding the Fourth Proportional to 253,546,702.89, 350,222,667.99 and 209,670,933.93

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Solution

The fourth proportional to 253,546,702.89, 350,222,667.99 and 209,670,933.93 is: 289,617,309.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,546,702.89 : 350,222,667.99 = 209,670,933.93 : x
  2. Step 2: Convert to fraction form
    253,546,702.89/350,222,667.99 = 209,670,933.93/x
  3. Step 3: Cross multiply
    253,546,702.89x = 350,222,667.99 × 209,670,933.93
  4. Step 4: Simplify right side
    253,546,702.89x = 73,431,513,880,919,616
  5. Step 5: Solve for x
    x = 73,431,513,880,919,616/253,546,702.89
  6. Step 6: Final answer
    x = 289,617,309.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.